Backplate for a lighting fixture



FIG. 1 is a front view of the backplate for a lighting fixture;

FIG. 2 is a back view of the backplate for a lighting fixture;

FIG. 3 is a right side view of the backplate for a lighting fixture,wherein the left side view if a mirror image thereof;

FIG. 4 is a bottom view of the backplate for a lighting fixture; and,

FIG. 5 is a top view of the backplate for a lighting fixture.

The ornamental design for a backplate for a lighting fixture, as shownand described.